40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
From 07639839666f134834b060a63d6b172812092366 Mon Sep 17 00:00:00 2001
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From: cmss_dx <dingxiang@cmss.chinamobile.com>
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Date: Mon, 28 Nov 2022 02:50:07 +0000
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Subject: [PATCH 28/29] hw/char/pl011: fix baud rate calculation mainline
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inclusion from mainline-v7.2.0-rc2 commit
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31cb769c317e0623cbe2a3e8da437b6cd7ddef9b category: bugfix
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--------------------------------
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The PL011 TRM says that "UARTIBRD = 0 is invalid and UARTFBRD is ignored
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when this is the case". But the code looks at FBRD for the invalid case.
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Fix this.
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Signed-off-by: Baruch Siach <baruch@tkos.co.il>
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Message-id: 1408f62a2e45665816527d4845ffde650957d5ab.1665051588.git.baruchs-c@neureality.ai
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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: cmss_dx <dingxiang@cmss.chinamobile.com>
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---
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hw/char/pl011.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/char/pl011.c b/hw/char/pl011.c
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index 8ca2a4ed68..b24ccfeac7 100644
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--- a/hw/char/pl011.c
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+++ b/hw/char/pl011.c
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@@ -176,7 +176,7 @@ static unsigned int pl011_get_baudrate(const PL011State *s)
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{
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uint64_t clk;
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- if (s->fbrd == 0) {
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+ if (s->ibrd == 0) {
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return 0;
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}
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--
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2.27.0
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